Deleted unused data fields

PiperOrigin-RevId: 183312596

2 files changed, 0 insertions, 7 deletions

diff --git a/tensorflow/core/grappler/costs/cost_estimator.h b/tensorflow/core/grappler/costs/cost_estimator.h
index 852e69737b..b7eaf8dc63 100644
--- a/tensorflow/core/grappler/costs/cost_estimator.h
+++ b/tensorflow/core/grappler/costs/cost_estimator.h
@@ -85,10 +85,7 @@ struct Costs {
   typedef NanoSeconds Duration;
 
   // Overall cost of running the graph; latency.
-  // Mean
   Duration execution_time;
-  Duration min_execution_time;
-  Duration max_execution_time;
 
   // Computation cost of running the graph.
   Duration compute_time;
diff --git a/tensorflow/core/grappler/costs/measuring_cost_estimator.cc b/tensorflow/core/grappler/costs/measuring_cost_estimator.cc
index 8fd1801863..ea4320687a 100644
--- a/tensorflow/core/grappler/costs/measuring_cost_estimator.cc
+++ b/tensorflow/core/grappler/costs/measuring_cost_estimator.cc
@@ -117,8 +117,6 @@ Status MeasuringCostEstimator::PredictCosts(const GraphDef& optimized_graph,
     LOG(ERROR) << "Failed to measure graph performance: "
                << status.error_message();
     costs->execution_time = Costs::Duration::max();
-    costs->max_execution_time = Costs::Duration::max();
-    costs->min_execution_time = 0;
     return status;
   }
 
@@ -126,8 +124,6 @@ Status MeasuringCostEstimator::PredictCosts(const GraphDef& optimized_graph,
   // to filter out outliers.
   RobustStats stats(times);
   costs->execution_time = Costs::Duration(stats.mean());
-  costs->max_execution_time = Costs::Duration(stats.hi());
-  costs->min_execution_time = Costs::Duration(stats.lo());
 
   return Status::OK();
 }